The International Union of Operating Engineers Local 95 (IUOE) is a progressive, diversified trade union that represents stationary engineers, who work in operations and maintenance in building and industrial complexes, and in the service industries. All persons engaged in supervising, controlling, operating or assisting in operating all boilers, engines, turbines, motors, internal combustion engines, pumps, air compressors, generators, ice and refrigerating machines, air- condition units and plants, air- conditioning equipment, precipitrons, fans, siphons, bridges, also automatic and power-oiling pumps and any and all automatic and power-driven machines and engines used on mechanically-operated steam boilers and in the handling, preparing and delivery of fuel from storage bins, yards,or reservoirs up to and into combustion chambers, and any and all operating repairs necessary for proper and continuous operation of all plants, machinery and engines; the supervision of all mechanical operations and any and all appurtenances connected with and used in power plant operation in all commercial and industrial activity, including railroads, utilities, hyrdro-electric and municipal power plants, and any and all power driven engines or units connected with and operating water, filtertraion, and chlorine plants, garbage and sewage disposal plants, breweries, distilleries, canneries, reduction plants, legitimate and motion picture theaters, ice and cold storage plants, coal yards, dairies, creameries, and other dairy products plants, office and municipal buildings, schools, hotels, apartment hotels and apartment houses, hospitals, department stores, laundries, metal and other junk yards and junk segregating plants, oil drilling, refining and producing plants, and pipe line pumping and boosting stations; the operation of valves, gates, locks and all machinery on dams or spillways; and bakeries, paper and pulp mills, newsprint plants, shipbuilding and ship repair yards, and any and all other industrial and manufacturing plants operating machines and engines and other appurtenances
